Direct effects of alcohol on gut-epithelial barrier: Unraveling the disruption of physical and chemical barrier of the gut-epithelial barrier that compromises the host-microbiota interface upon alcohol exposure.
Level 5 - mechanism / opinion, no new human data
Narrative review of mechanistic literature without systematic search methodology
PubMed 38509796 · doi:10.1111/jgh.16539
What was done
The authors conducted a narrative review synthesizing recent literature on the direct effects of alcohol exposure and alcohol metabolism on the gut-epithelial barrier, specifically evaluating impacts on the physical epithelial cell layer and chemical mucus barrier.
What was found
The abstract reports no numerical findings, quantitative effect sizes, or study counts. It qualitatively reports that alcohol exposure disrupts both the physical single-cell epithelial layer and the mucus-associated chemical barrier that regulate the host-microbiota interface.
Why it matters
This review outlines the direct mucosal mechanisms by which alcohol induces intestinal barrier breakdown, a key factor in the initiation of alcohol-associated systemic diseases.
Limits
As a narrative review, it lacks a systematic search protocol, explicit study selection criteria, and quality appraisal. No primary human or animal sample size data are provided in the abstract.
Cited by
- supports The intestinal barrier separating the gut microbiome and intestinal lumen from the internal body consists of a single layer of intestinal epithelial cells.
- supports The generation and preservation of the protective gut mucus layer is regulated by bacterial and environmental factors, including medications, toxins, and food components.